CST8 GI:4885163 cystatin 8 precursor 1 mprcrwlsli lltiplalva rkdpkknetg vlrklkpvna snanvkqclw 50 51 famqeynkes edkyvflvvk tlqaqlqvtn lleylidvei arsdcrkpls 100 101 tneicaiqen sklkrklscs flvgalpwng eftvmekkce da